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Lexxfyre's avatar
Lexxfyre
Aspirant
Oct 10, 2022

Cm2050v disconnects from isp

My modem seems to be dropping the isp overnight. Has been happening every other night for about a week. I didn’t see any firmware updates. And all the cables attached are brand new. The router I have connected is a Firewalla.

6 Replies

  • FURRYe38's avatar
    FURRYe38
    Guru - Experienced User

    Please post a copy and paste of the modems connection status and event log page.
    https://kb.netgear.com/30007/How-do-I-obtain-the-cable-connection-information-from-a-NETGEAR-cable-modem-modem-router
    https://kb.netgear.com/30008/How-do-I-view-or-clear-the-event-logs-on-my-NETGEAR-cable-modem-or-modem-router

     

    Be sure your using a good quality LAN cable between the modem and router. CAT6 or CAT6A STP is recommended. 

    Have the ISP check the signal and line quality UP to the modem. Be sure the ISP provisions the modem correctly.
    Be sure there are no coax cable line splitters in the between the modem and ISP service box. 
    Be sure your using good quality RG6 coax cable up to the modem. 
    Be sure to power OFF the modem for 1 minute then back ON.
    https://community.netgear.com/t5/Cable-Modems-Routers/General-info-and-Troubleshooting-for-Cable-Modems/m-p/1530376#M12853
    https://kb.netgear.com/24311/Power-level-guidelines-for-a-NETGEAR-cable-modem-router
    https://www.duckware.com/tech/solving-intermittent-cable-modem-issues.html

    • Lexxfyre's avatar
      Lexxfyre
      Aspirant

      Connection Status

      Startup Procedure
      ProcedureStatusComment
      Acquire Downstream Channel501000000 HzLocked
      Connectivity StateOKOperational
      Boot StateOKOperational
      SecurityEnabledBPI+
       
      Downstream Bonded Channels
      ChannelLock StatusModulationChannel IDFrequencyPowerSNRCorrectablesUncorrectables
      1LockedQAM2565501000000 Hz2.6 dBmV42.1 dB00
      2LockedQAM2562483000000 Hz2.9 dBmV42.1 dB00
      3LockedQAM2563489000000 Hz2.9 dBmV42.1 dB00
      4LockedQAM2564495000000 Hz2.7 dBmV42.1 dB00
      5LockedQAM2566507000000 Hz2.3 dBmV42.0 dB00
      6LockedQAM2567513000000 Hz2.1 dBmV41.9 dB00
      7LockedQAM2568519000000 Hz2.0 dBmV41.8 dB00
      8LockedQAM2569525000000 Hz2.0 dBmV41.8 dB00
      9LockedQAM25610531000000 Hz1.9 dBmV41.7 dB00
      10LockedQAM25611537000000 Hz1.6 dBmV41.5 dB00
      11LockedQAM25612543000000 Hz1.5 dBmV41.4 dB00
      12LockedQAM25613555000000 Hz1.4 dBmV41.3 dB00
      13LockedQAM25614561000000 Hz1.2 dBmV41.3 dB00
      14LockedQAM25615567000000 Hz0.9 dBmV40.8 dB00
      15LockedQAM25616573000000 Hz0.5 dBmV40.9 dB00
      16LockedQAM25617579000000 Hz0.2 dBmV40.9 dB00
      17LockedQAM25618585000000 Hz0.2 dBmV40.9 dB00
      18LockedQAM25619591000000 Hz0.1 dBmV40.8 dB00
      19LockedQAM25620597000000 Hz0.3 dBmV40.8 dB00
      20LockedQAM25621603000000 Hz0.1 dBmV40.7 dB00
      21LockedQAM25622609000000 Hz-0.3 dBmV40.6 dB00
      22LockedQAM25623615000000 Hz-1.1 dBmV40.3 dB00
      23LockedQAM25624621000000 Hz-1.1 dBmV40.2 dB00
      24LockedQAM25625627000000 Hz-0.9 dBmV40.3 dB00
      25LockedQAM25626633000000 Hz0.0 dBmV40.6 dB00
      26LockedQAM25627639000000 Hz0.4 dBmV40.7 dB00
      27LockedQAM25628645000000 Hz0.9 dBmV41.0 dB00
      28LockedQAM25629651000000 Hz1.0 dBmV41.0 dB00
      29LockedQAM25630657000000 Hz1.4 dBmV41.2 dB00
      30LockedQAM25632663000000 Hz1.7 dBmV41.3 dB00
      31LockedQAM25633669000000 Hz1.6 dBmV41.0 dB00
      32Not LockedUnknown00 Hz0.0 dBmV0.0 dB00
       
      Upstream Bonded Channels
      ChannelLock StatusUS Channel TypeChannel IDSymbol RateFrequencyPower
      1LockedATDMA1512035600000 Hz47.0 dBmV
      2LockedATDMA2512029200000 Hz47.5 dBmV
      3LockedATDMA3512022800000 Hz47.5 dBmV
      4LockedATDMA4512016400000 Hz46.8 dBmV
      5LockedATDMA5128039600000 Hz47.5 dBmV
      6Not LockedUnknown000 Hz0.0 dBmV
      7Not LockedUnknown000 Hz0.0 dBmV
      8Not LockedUnknown000 Hz0.0 dBmV
       
      Downstream OFDM Channels
      ChannelLock StatusProfile IDChannel IDFrequencyPowerSNR / MERActive Subcarrier
      Number Range
      Unerrored
      Codewords
      Correctable
      Codewords
      Uncorrectable
      Codewords
      1Locked0 ,1 ,2 ,331690000000 Hz2.1 dBmV40.4 dB1108 ~ 298762820135611793930
      2Not Locked000 Hz0 dBmV0.0 dB0 ~ 4095000
       
      Upstream OFDMA Channels
      ChannelLock StatusModulation / Profile IDChannel IDFrequencyPower
      1Not Locked000 Hz0 dBmV
      2Not Locked000 Hz0 dBmV
       
      Current System Time:Thu Oct 20 16:50:38 2022
      System Up Time:00:46:15
    • Lexxfyre's avatar
      Lexxfyre
      Aspirant

      Event Log

      Thu Oct 20 16:05:26 2022(Notice (6))CM-STATUS message sent. Event Type Code: 5; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 16:05:12 2022(Notice (6))DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1 2 3.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 16:05:08 2022(Notice (6))TLV-11 - unrecognized OID;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Time Not Established(Notice (6))Honoring MDD; IP provisioning mode = IPv6
      Time Not Established(Critical (3))No Ranging Response received - T3 time-out;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Time Not Established(Critical (3))SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 15:57:08 2022(Notice (6))CM-STATUS message sent. Event Type Code: 5; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 15:56:52 2022(Notice (6))DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1 2 3.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 15:56:48 2022(Notice (6))TLV-11 - unrecognized OID;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Time Not Established(Notice (6))Honoring MDD; IP provisioning mode = IPv6
      Time Not Established(Critical (3))No Ranging Response received - T3 time-out;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Time Not Established(Critical (3))SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 13:00:55 2022(Notice (6))CM-STATUS message sent. Event Type Code: 16; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 3.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 13:00:45 2022(Notice (6))CM-STATUS message sent. Event Type Code: 24; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1 2 3.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:51:27 2022(Notice (6))CM-STATUS message sent. Event Type Code: 24; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1 2.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:50:59 2022(Notice (6))CM-STATUS message sent. Event Type Code: 16; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 2.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:50:45 2022(Notice (6))CM-STATUS message sent. Event Type Code: 24; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1 2.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:43:06 2022(Notice (6))CM-STATUS message sent. Event Type Code: 24; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:40:31 2022(Notice (6))CM-STATUS message sent. Event Type Code: 16; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:40:19 2022(Notice (6))CM-STATUS message sent. Event Type Code: 5; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:40:03 2022(Notice (6))DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1 2 3.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:39:58 2022(Notice (6))TLV-11 - unrecognized OID;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Time Not Established(Notice (6))Honoring MDD; IP provisioning mode = IPv6
      Time Not Established(Critical (3))No Ranging Response received - T3 time-out;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Time Not Established(Critical (3))SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:38:25 2022(Notice (6))CM-STATUS message sent. Event Type Code: 24; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:38:10 2022(Notice (6))CM-STATUS message sent. Event Type Code: 4; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:37:51 2022(Notice (6))CM-STATUS message sent. Event Type Code: 22; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:37:34 2022(Warning (5))MDD message timeout;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:37:28 2022(Notice (6))CM-STATUS message sent. Event Type Code: 23; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:37:16 2022(Warning (5))MDD message timeout;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:37:15 2022(Critical (3))SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:37:12 2022(Warning (5))MDD message timeout;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:37:12 2022(Critical (3))SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:35:05 2022(Notice (6))CM-STATUS message sent. Event Type Code: 24; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:34:39 2022(Notice (6))CM-STATUS message sent. Event Type Code: 16; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1 2 3.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:34:25 2022(Notice (6))CM-STATUS message sent. Event Type Code: 24; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:33:43 2022(Notice (6))CM-STATUS message sent. Event Type Code: 16; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1 2 3.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:31:14 2022(Notice (6))CM-STATUS message sent. Event Type Code: 24; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      Thu Oct 20 12:30:13 2022(Notice (6))CM-STATUS message sent. Event Type Code: 16; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1 2 3.;CM-MAC=08:36:c9:3b:76:40;CMTS-MAC=00:01:5c:82:be:4e;CM-QOS=1.1;CM-VER=3.1;
      • FURRYe38's avatar
        FURRYe38
        Guru - Experienced User

        Power looks ok but some channels are not the same as the others. 
        You have lots of criticals that the ISP needs to review and resolve.